| 用固化剂GX08加固杭州海湖相软土的强度特性研究 |
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| 引用本文： | 徐日庆,李俊虎,蔡承晟,李雪刚,荣雪宁,畅帅.用固化剂GX08加固杭州海湖相软土的强度特性研究[J].岩土力学,2014,35(6):1528-1533. |
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| 作者姓名： | 徐日庆 李俊虎 蔡承晟 李雪刚 荣雪宁 畅帅 |
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| 作者单位： | 1. 浙江大学 滨海和城市岩土工程研究中心，杭州，310058；2. 浙江大学 建筑工程学院，杭州，310058 |
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| 基金项目： | 国家自然科学基金资助项目（No.51178420） |
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| 摘 要： | 为了验证固化剂GX08加固杭州海湖相软土的效果及考察有机质对水泥固化的不利影响，对固化土的强度特性进行了试验研究。结果表明，有机质的添加会显著阻碍固化土强度的增长，而固化剂GX08能有效增强固化土的强度；固化土强度与有机质含量存在二次函数关系，与水泥掺量呈线性关系，与固化剂GX08掺量和龄期都以对数函数的形式相关；将总灰水比C/W用于固化土强度模型的建立，通过对试验数据的分析与整理，建立了同时考虑固化土中有机质含量、水泥掺量、固化剂掺量和龄期影响的固化土综合强度预测模型。最后对模型进行了推广使用，验证了模型的适用性。
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| 关 键 词： | 腐殖酸 固化剂GX08 强度增长率 预测模型 总灰水比 |
| 收稿时间： | 2013-02-22 |
Study of strength characteristics of stabilized soil by using stabilizing agent GX08 treating marine and lacustrine soft soil in Hangzhou |
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| XU Ri-qing,LI Jun-hu,CAI Cheng-sheng,LI Xue-gang,RONG Xue-ning,CHANG Shuai.Study of strength characteristics of stabilized soil by using stabilizing agent GX08 treating marine and lacustrine soft soil in Hangzhou[J].Rock and Soil Mechanics,2014,35(6):1528-1533. |
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| Authors: | XU Ri-qing LI Jun-hu CAI Cheng-sheng LI Xue-gang RONG Xue-ning CHANG Shuai |
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| Institution: | 1. Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China; 2. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China |
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| Abstract: | To validate the stabilization effect of stabilizing agent GX08 treating the marine and lacustrine soft soil in Hangzhou, and to investigate the adverse influence of organic matter on cementing soft soil, unconfined compressive strength (UCS) tests are performed on stabilized soils. Test results indicate that organic matter significantly hinder the growth of the strength of stabilized soil, whereas stabilizing agent GX08 can effectively enhance the strength of the stabilized soil. The results show that the strength of stabilized soil is well correlated with organic matter content as a form of quadratic function, and it is correlated linearly with cement content, and both are correlated as the form of logarithmic function with stabilizing agent GX08 content and curing time. The total cement/water is applied to the establishment of the stabilized soil strength model. Based on the analysis of tests data, a predict model, considering the influences of organic matter content, cement content, stabilizing agent content and curing time on the strength of stabilized soil, is proposed to predict strength development. Finally, the model is to be promoted to use, so as to verify the applicability of the model. |
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| Keywords: | humic acid stabilizing agent GX08 strength ratio predict model total cement/water |
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